HEX atlas value

#818F32

#818F32 is a warm yellow HEX color close to Olive Green. According to Colors Encyclopedia, it converts to RGB 129, 143, 50, HSL 69, 48%, 38%, has luminance 0.2454, and belongs to the earth tone group.

yellow warm earth-tone

#818F32 Sample readable text

HEX #818F32

RGB rgb(129, 143, 50)

HSL hsl(69 48% 38%)

CMYK cmyk(10, 0, 65, 44)

Luminance 0.2454

Contrast Black 5.91:1White 3.55:1

CSS

--color-818f32: #818F32;
.background-818f32 { background-color: #818F32; }
.text-818f32 { color: #818F32; }

Luminance0.2454

Black text5.91:1AA Pass

White text3.55:1AA Fail

hexCanonical HEX value

rgbRed, green, blue channels

hslHue, saturation, lightness

cmykApproximate print conversion

wcagAA and AAA contrast options

harmoniesMathematical harmony sets

variantsGenerated tone variants

nearestColorsKnowledge graph neighbors

Structured sections

Color systems

{"hex":"#818F32","rgb":[129,143,50],"hsl":[69,48,38],"cmyk":[10,0,65,44],"luminance":0.2454,"contrast":{"black":5.91,"white":3.55}}

WCAG

{"AA":["#000000","#1A1A1A"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":5.91,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.55,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#B4C559","hex":"#B4C559","family":"yellow","bestTextColor":"#000000","contrastBlack":11.07,"contrastWhite":1.9,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#40328F","hex":"#40328F","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":2.07,"contrastWhite":10.14,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#444B1B","hex":"#444B1B","family":"yellow","bestTextColor":"#FFFFFF","contrastBlack":2.27,"contrastWhite":9.26,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#90A51D","hex":"#90A51D","family":"yellow","bestTextColor":"#000000","contrastBlack":7.59,"contrastWhite":2.77,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"Moss Green","hex":"#8A9A5B","family":"green","bestTextColor":"#000000","contrastBlack":6.85,"contrastWhite":3.06,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]

AI context

{"semanticGroups":["warm yellow","earth tone","earth tone yellow","Olive Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","highlight and warning systems"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/818f32.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/olive-green.json","https://www.colorsencyclopedia.com/api/colors/olive-drab.json","https://www.colorsencyclopedia.com/api/colors/olive-leaf.json"]}

Harmonies

{"complementary":"#40328F","analogous":["#8F6F32","#538F32"],"triadic":["#32818F","#8F3281"],"tetradic":["#328F6F","#40328F","#8F3253"],"splitComplementary":["#32538F","#6F328F"],"monochromatic":["#B4C559","#818F32","#444B1B"]}

Variants

{"light":"#B4C559","dark":"#444B1B","saturated":"#90A51D","desaturated":"#737A48","pastel":"#B6C082","neon":"#C7EB00"}

Nearest named colors

[{"slug":"olive-green","name":"Olive Green","hex":"#708238","distance":22.22611077089287},{"slug":"olive-drab","name":"Olive Drab","hex":"#6B8E23","distance":26.645825188948457},{"slug":"olive-leaf","name":"Olive Leaf","hex":"#6B8E23","distance":26.645825188948457},{"slug":"moss-green","name":"Moss Green","hex":"#8A9A5B","distance":43.393547907494266},{"slug":"fern-frond","name":"Fern Frond","hex":"#657220","distance":44.14748010928823}]

HEX meaning and use

About #818F32

#818F32 is classified as a warm yellow value with earth tone visual character. #818F32 is visually closest to Olive Green, a named green color with HEX #708238.

The RGB channels are 129, 143, and 50, with green carrying the strongest channel weight. In HSL, the hue is 69deg with 48% saturation and 38% lightness, so this page treats it as a moderate-saturation, mid-lightness atlas color rather than a generic swatch.

According to Colors Encyclopedia, this HEX value works best for color conversion, WCAG contrast checks, CSS color tokens, and natural palettes. Its luminance is 0.2454, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 22.23, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.91:1AA Pass

White text3.55:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #818F32 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.91:1 · AA

White text#FFFFFF3.55:1 · Fail

Accessible Alternatives

#B4C559#000000 text · best 11.07:1#B4C559

#40328F#FFFFFF text · best 10.14:1#40328F

#444B1B#FFFFFF text · best 9.26:1#444B1B

#90A51D#000000 text · best 7.59:1#90A51D

Moss Green#000000 text · best 6.85:1#8A9A5B

Generated Palette

#818F32#818F32

#40328F#40328F

#8F6F32#8F6F32

#538F32#538F32

#B4C559#B4C559

#444B1B#444B1B

Color Harmonies

#40328F#40328F

#8F6F32#8F6F32

#538F32#538F32

#32818F#32818F

#8F3281#8F3281

Variants

#B4C559#B4C559

#444B1B#444B1B

#90A51D#90A51D

#737A48#737A48

#B6C082#B6C082

#C7EB00#C7EB00

Nearest Named Colors

Olive Green#708238

Olive Drab#6B8E23

Olive Leaf#6B8E23

Moss Green#8A9A5B

Fern Frond#657220

#818F32

CSS

Machine-Readable HEX Data (JSON)

About #818F32

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides